
Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System
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Retail prices include VAT.
The Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System provides dependable, cost-effective environmental comfort tailored for smaller UK properties, attic conversions, and guest bedrooms. This compact split system combines whisper-quiet acoustic characteristics with an impressive A++ seasonal energy rating, keeping operating electricity costs minimal through high-efficiency heat pump cycles. The indoor unit’s clean, modern lines blend effortlessly onto any interior wall. Equipped with integrated Wi-Fi connectivity, users can easily fine-tune climate parameters, trigger sleep presets, or set weekly timers via mobile phone app. In winter, the intelligent defrost system and low-ambient heating capability keep your space cosy even when external temperatures plummet below zero. Built with heavy-duty anti-corrosion condenser fin coatings, this Carrier unit represents a smart, long-lasting investment for domestic comfort.
Need it installed?
We'll match you with a local HVAC engineer.
Smart-home ready
Connects natively with the systems below — control by app or voice.
- Free UK mainland delivery on in-stock units
- Manufacturer warranty included
- 14-day returns
In stock now — closest alternatives
This unit is on pre-order. These ship now, matched on cooling capacity and price.

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Technical documents & videos
More from Carrier →Official Carrier manual
The manufacturer's PDF for this model is being sourced and will be downloadable here.
Full Specifications
Physical dimensions
Exact dimensions for this model are being confirmed with Carrier — ask us and we will send the cut sheet with mounting and clearance figures.
Description
The Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System provides dependable, cost-effective environmental comfort tailored for smaller UK properties, attic conversions, and guest bedrooms. This compact split system combines whisper-quiet acoustic characteristics with an impressive A++ seasonal energy rating, keeping operating electricity costs minimal through high-efficiency heat pump cycles. The indoor unit’s clean, modern lines blend effortlessly onto any interior wall. Equipped with integrated Wi-Fi connectivity, users can easily fine-tune climate parameters, trigger sleep presets, or set weekly timers via mobile phone app. In winter, the intelligent defrost system and low-ambient heating capability keep your space cosy even when external temperatures plummet below zero. Built with heavy-duty anti-corrosion condenser fin coatings, this Carrier unit represents a smart, long-lasting investment for domestic comfort.
Compare similar units
Side-by-side specs for other split system ac in a similar BTU range.
Common questions about the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System
How many BTU is the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System?
The Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System has a cooling capacity of 9,000 BTU, suitable for Up to 25m².
What room size is the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System suitable for?
The Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System is recommended for rooms Up to 25m².
Can I install the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System myself?
No — this unit requires professional installation by a qualified F-gas engineer. Use our Find an Installer service to get matched with a local HVAC professional.
Is the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System smart-home compatible?
Yes — the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System supports Carrier Home App, Amazon Alexa, Google Assistant for app and voice control.
How long does delivery of the Carrier Performance 9,000 BTU Wall Mounted Heat Pump Split System take?
This unit is 2-4 working days. Delivery is then 1–2 working days to most UK mainland addresses, and 3–6 working days into the EU.
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Mitsubishi ElectricAnnual energy savings estimate
How much this A++-rated unit could save versus a standard C-rated model, based on your usage.
This unit
73 kWh/yr
EER 13
Standard model
119 kWh/yr
EER 8
Est. saving
£12.33
46 kWh/yr less
Estimate based on the unit's energy-rating efficiency factor and cooling capacity (9,000 BTU). Actual savings vary with room size, climate and usage patterns.
Winter heating cost: this AC vs electric heaters
This unit reverses to heat your room in winter. Based on its 3 kW heat output used 5 hrs/day over a 150-day UK heating season at £0.27/kWh.
Electric heater / season
£593
This AC / season
£198
You save / season
£396
~67% less electricity
| Heating method | Electricity / season | Cost / season | Efficiency | Summer cooling |
|---|---|---|---|---|
| This heat-pump AC | 733 kWh | £198 | Up to 300% | |
| Plug-in electric heater | 2198 kWh | £593 | 100% | |
| Electric storage heater | 2198 kWh | £593 | 100% |
Heat output estimated from this unit's 10,000 BTU/hr rating. A heat pump moves heat (COP ≈ 3), so it uses about a third of the electricity of a direct-electric heater for the same warmth. Actual savings vary with room size, insulation, tariff and usage. See the full comparison →
Share your savings
This heat-pump AC costs only £198/season to heat a room vs £593 for an electric heater - that's £396 saved. https://stockool.store/products/carrier-performance-9000-btu-wall-mounted-heat-pump-split-system
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